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发明名称
Down-hole vane motor
摘要
申请公布号
GB2407625(B)
申请公布日期
2007.08.08
申请号
GB20040024087
申请日期
2004.10.29
申请人
WEATHERFORD/LAMB INC.
发明人
DAVID WARREN TEALE;GREGORY S MARSHALL
分类号
E21B4/02;F04C2/344;F04C13/00
主分类号
E21B4/02
代理机构
代理人
主权项
地址
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